diff --git a/rocket/src/main/scala/htif.scala b/rocket/src/main/scala/htif.scala
index 2392f3c6..05a9bef6 100644
--- a/rocket/src/main/scala/htif.scala
+++ b/rocket/src/main/scala/htif.scala
@@ -5,11 +5,6 @@ import Node._
 import uncore._
 import Util._
 
-class DebugIO extends Bundle
-{
-  val error_mode = Bool(OUTPUT)
-}
-
 class HostIO(val w: Int) extends Bundle
 {
   val clk = Bool(OUTPUT)
@@ -28,7 +23,6 @@ class PCRReq extends Bundle
 class HTIFIO(ntiles: Int) extends Bundle
 {
   val reset = Bool(INPUT)
-  val debug = new DebugIO
   val id = UInt(INPUT, log2Up(ntiles))
   val pcr_req = Decoupled(new PCRReq).flip
   val pcr_rep = Decoupled(Bits(width = 64))